A process for producing alkyd resins

Details A process for producing alkyd resins A process for producing alkyd resins

C - Chemistry, Metallurgy

08

G

C08G 63/49 (2006.01) C08G 63/48 (2006.01) C08G 63/78 (2006.01)

Patent

CA 2370047

A process is disclosed, which enables production of alkyd resins within a short time, by conducting depolymerization and esterification reactions of polyester resins whose main starting material is terephthalic acid and which have been recovered from waste materials and regenerated, in a mixture of a polyhydric alco- holic component comprising tetra- or higher alcohol, an oil and fat and/or a fatty acid, and a polybasic acid component.

L'invention concerne un procédé dans lequel une résine polyester est produite à partir de matières premières contenant de l'acide téréphtalique comme composant principal, cette résine régénérée étant récupérée d'effluents, dépolymérisée et estérifiée au moyen d'un mélange d'un composant d'alcool polyhydrique comprenant un alcool tétrahydrique ou supérieur, une graisse et/ou un acide gras, et un composant d'acide polybasique aux fins de produire rapidement une résine alkyde.

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